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409346-92-5

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409346-92-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 409346-92-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,9,3,4 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 409346-92:
(8*4)+(7*0)+(6*9)+(5*3)+(4*4)+(3*6)+(2*9)+(1*2)=155
155 % 10 = 5
So 409346-92-5 is a valid CAS Registry Number.

409346-92-5Upstream product

409346-92-5Downstream Products

409346-92-5Relevant academic research and scientific papers

Microwave-assisted synthesis of 4-keto-4,5,6,7-tetrahydrobenzofurans

Goncalves, Sylvie,Wagner, Alain,Mioskowski, Charles,Baati, Rachid

, p. 274 - 276 (2009)

The use of TMSCl in methanol under microwave irradiation allows the facile intramolecular condensation of a large panel of triketones, giving rise to 4-keto-4,5,6,7-tetrahydrobenzofurans in good to excellent yields.

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